Supplied By www.heating spares.co Tel. 0161 620 6677
DOMIcondens F 28
2
EN
cod. 3540S920 - 05/2009 (Rev. 00)
EN
1. GENERAL INSTRUCTIONS
•
Carefully read the instructions contained in this instruction booklet.
•
After boiler installation, inform the user regarding its operation and give him this manual, which is
an integral and essential part of the product and must be kept with care for future reference.
•
Installation and maintenance must be carried out by professionally qualified personnel, according
to current regulations and the manufacturer's instructions. Do not carry out any operation on the
sealed control parts.
•
Incorrect installation or inadequate maintenance can result in damage or injury. The Manufacturer
declines any liability for damage due to errors in installation and use or failure to follow the instruc-
tions.
•
Before carrying out any cleaning or maintenance operation, disconnect the unit from the power
supply using the system switch and/or the special cut-off devices.
•
In case of a fault and/or poor operation, deactivate the unit and do not attempt to repair it or directly
intervene. Contact professionally qualified personnel. Repair/replacement of the products must
only be carried out by professionally qualified using original spare parts. Failure to comply with the
above could affect the safety of the unit.
•
This unit must only be used for its intended purpose. Any other use is considered improper and
therefore dangerous.
•
The packing materials are potentially hazardous and must not be left within the reach of children.
•
The images given in this manual are a simplified representation of the product. In this represen-
tation there may be slight and insignificant differences with respect to the product supplied.
2. OPERATING INSTRUCTIONS
2.1 Introduction
Dear Customer,
DOMIcondens F 28
is a high-efficiency sealed chamber
condensing
heat generator for
heating and hot water production running on natural gas or LPG, and equipped with a
microprocessor control system.
2.2 Control panel
fig. 1 - Control panel
Key
1 =
Domestic hot water temperature setting
3 =
Heating system temperature setting
5 =
Display
6 =
Summer/Winter mode selection - Reset button
7 =
Unit On/Off - Eco/Comfort mode selection button
9 =
DHW mode
10 =
Summer mode
11 =
Temperature or faults
12 =
Eco (Economy) mode
13 =
Heating
15 =
Burner On and actual power
16 =
Clock prearrangement
Indication during operation
Heating
A heating demand (generated by the Room Thermostat or Remote Timer Control) is in-
dicated by flashing of the hot air above the radiator on the display.
Domestic hot water (DHW)
A DHW demand (generated by drawing domestic hot water) is indicated by flashing of
the hot water under the tap on the display.
2.3 Lighting and turning off
Connection to the power supply
•
During the first 5 seconds the display shows the card software version.
•
Open the gas cock ahead of the boiler.
•
The boiler is now ready to operate automatically whenever hot water is drawn or in
case of a room thermostat demand.
Boiler lighting and shutdown
Press the
on/off
button (detail 7 - fig. 1) for 5 seconds.
fig. 2 - Turning the boiler off
When the boiler is turned off, the PCB is still powered. Domestic hot water and heating
are disabled. The antifreeze system remains activated. To relight the boiler, press the
on/off
button (detail 7 fig. 1) again for 5 seconds.
fig. 3
The boiler will be immediately ready to operate whenever domestic hot water is drawn
or in case of a room thermostat demand.
B
The antifreeze system does not work when the power and/or gas to the unit are
turned off. To avoid damage caused by freezing during long idle periods in win-
ter, it is advisable to drain all water from the boiler, DHW circuit and system; or
drain just the DHW circuit and add a suitable antifreeze to the heating system,
complying with that prescribed in sec. 3.3.
2.4 Adjustments
Summer/Winter Switchover
Press the
summer/winter
button (detail 6 - fig. 1) for 2 seconds.
The display activates the Summer symbol (detail 10 - fig. 1): the boiler will only deliver
domestic hot water. The antifreeze system remains activated.
To deactivate the Summer mode, press the
summer/winter
button (detail 6 - fig. 1)
again for 2 seconds.
Heating temperature setting
Use the heating buttons (detail 3 - fig. 1) to adjust the temperature from a min. of 30°C
to a max. of 85°C; it is advisable not to operate the boiler below 45°C.
fig. 4
Hot water temperature adjustment
Use the DHW buttons (detail 1 - fig. 1) to adjust the temperature from a min. of 40°C to
a max. of 55°C.
fig. 5
Room temperature adjustment (with optional room thermostat)
Using the room thermostat, set the temperature required in the rooms. If the room ther-
mostat is not installed, the boiler will keep the system at the set system delivery setpoint
temperature.
Room temperature adjustment (with optional remote timer control)
Using the remote timer control, set the required temperature in the rooms. The boiler will
adjust the system water according to the required room temperature. For operation with
remote timer control, please refer to the relevant instruction manual.
ECO/COMFORT selection
The unit has a function that ensures a high domestic hot water delivery speed and max-
imum comfort for the user. When the device is activated (COMFORT mode), the water
contained in the boiler is kept hot, therefore ensuring immediate availability of hot water
on opening the tap, without waiting times.
The device can be deactivated by the user (ECO mode) by pressing the
eco/comfort
button (detail 7 - fig. 1) with the boiler in standby mode. In ECO mode the display acti-
vates the ECO symbol (detail 12 - fig. 1). To activate COMFORT mode, press the
eco/
comfort
button (detail 7 - fig. 1) again.
16
eco
comfort
reset
9
15
13
12
11
10
1
3
6
7
5
